cm

1. Calcul mental
N°30
“Aire d’une figure”

2. Calculer l'aire de chaque figure.

3. Diapositive 1Diapositive 1

5. Diapositive 2Diapositive 2

7. Diapositive 3Diapositive 3

9. Diapositive 4Diapositive 4

11. Diapositive 5Diapositive 5

12. FIN

13. CORRECTION

14. Aire 9mm 3mm 27mm
2
Diapositive 1Diapositive 1

15. Aire 8dm 8dm 64dm
2
Diapositive 2Diapositive 2

16. Aire 5m
12m
2
5m 6m 30m
2
Diapositive 3Diapositive 3

17. Diapositive 4Diapositive 4
Aire
7cm 6cm
2
42cm
2
2
21cm
2

18. Diapositive 5Diapositive 5
Aire
6dam 6dam
2
36dam
2
2
18dam
2